<!DOCTYPE html>
<html lang="en">

<head>
  <meta charset="UTF-8" />
  <meta http-equiv="X-UA-Compatible" content="IE=edge" />
  <meta name="viewport" content="width=device-width, initial-scale=1.0" />
  <title>首页</title>
  <link rel="stylesheet" href="./bootstrap/bootstrap.min.css" />
  <link rel="stylesheet" href="./bootstrap/bootstrap-icons.css" />
  <link rel="stylesheet" href="./css/common.css" />
  <style>
    .card-stats .bi {
      width: 50px;
      height: 50px;
      display: block;
      background-color: #e4e4e4;
      color: #fff;
      border-radius: 50%;
      line-height: 50px;
      text-align: center;
      font-size: 24px;
      margin-top: 4px;
    }
  </style> 
</head>

<body class="application application-offset">
  <div class="container-fluid container-application">
    <div class="sidenav show" id="sidenav-main">
      <!-- Sidenav header -->
      <div class="sidenav-header d-flex align-items-center">
        <a class="navbar-brand" href="./index.html">
          <span class="logo">·ITCAST·</span>
        </a>
      </div>
      <!-- User mini profile -->
      <div class="sidenav-user d-flex flex-column align-items-center justify-content-between text-center">
        <!-- Avatar -->
        <div>
          <a href="#" class="avatar rounded-circle avatar-xl">
            <img alt="Image placeholder" src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg"
              class="" />
          </a>
          <div class="mt-5">
            <h5 class="mb-0 text-white">黑马前端</h5>
            <span class="d-block text-sm text-white opacity-8 mb-3">数据可视化</span>
            <a href="javascript:;" class="btn btn-sm btn-white btn-icon rounded-pill shadow hover-translate-y-n3">
              <span class="btn-inner--text">学前端来黑马</span>
            </a>
          </div>
        </div>
      </div>
      <!-- Application nav -->
      <div class="nav-application clearfix">
        <a href="./index.html" class="btn btn-square text-sm active">
          <span class="btn-inner--icon d-block"><i class="bi bi-house bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">首页</span>
        </a>
        <a href="./student.html" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-people bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">学生</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-columns bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">排版</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-files bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">资料</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-receipt bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">就业</span>
        </a>
        <a href="javascript:;" class="btn btn-square text-sm">
          <span class="btn-inner--icon d-block"><i class="bi bi-gear bi-2x"></i></span>
          <span class="btn-inner--icon d-block pt-2">设置</span>
        </a>
      </div>
      <!-- Misc area -->
      <div class="card bg-gradient-warning">
        <div class="card-body">
          <h5 class="text-white">哈喽, 朋友!</h5>
          <p class="text-white mb-4">为什么不现在开始学习前端，创造一些令人惊叹的东西呢？</p>
          <a href="http://itcast.cn" class="btn btn-sm btn-block btn-white rounded-pill" target="_blank">Get started</a>
        </div>
      </div>
    </div>
    <div class="main-content position-relative">
      <nav class="navbar navbar-main navbar-expand-lg navbar-dark navbar-border" id="navbar-main">
        <div class="container-fluid">
          <!-- Navbar nav -->
          <div class="collapse navbar-collapse navbar-collapse-fade" id="navbar-main-collapse">
            <ul class="navbar-nav align-items-lg-center">
              <!-- Home  -->
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 首页 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 传智教育 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 黑马程序员 </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" href="./index.html"> 文档 </a>
              </li>
            </ul>
            <!-- Right menu -->
            <ul class="navbar-nav ml-lg-auto align-items-center d-none d-lg-flex">
              <li class="nav-item dropdown dropdown-animate">
                <a class="nav-link pr-lg-0" href=".dropdown-menu" role="button" data-toggle="dropdown"
                  aria-haspopup="true" aria-expanded="false">
                  <div class="media media-pill align-items-center">
                    <span class="avatar rounded-circle">
                      <img alt="Image placeholder"
                        src="https://yanxuan-item.nosdn.127.net/8b27deb1670c53e67c42ca3e1ed6fd12.jpg" />
                    </span>
                    <div class="ml-2 d-none d-lg-block">
                      <span class="mb-0 text-sm font-weight-bold">Admin</span>
                    </div>
                  </div>
                </a>
              </li>
              <li class="nav-item">
                <a class="nav-link pl-lg-0" id="logout" href="javascript:;"> 退出 </a>
              </li>
            </ul>
          </div>
        </div>
      </nav>
      <div class="page-content">
        <!-- Page Title -->
        <div class="page-title">
          <div class="row justify-content-between align-items-center">
            <div class="col-md-6 mb-3 mb-md-0">
              <h5 class="h3 font-weight-400 mb-0 text-white">Dashboard</h5>
              <span class="text-sm text-white opacity-8">上海前端 xx 期</span>
            </div>
          </div>
        </div>
        <!-- charts -->
        <div class="row">
          <div class="col-xl-3 col-md-6">
            <div class="card card-stats">
              <div class="card-body">
                <div class="row">
                  <div class="col">
                    <h6 class="text-muted mb-1">就业薪资</h6>
                    <span name="salary" class="h3 font-weight-bold mb-0 ">15500</span>
                  </div>
                  <div class="col-auto">
                    <i class="bi bi-coin"></i>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <div class="col-xl-3 col-md-6">
            <div class="card card-stats">
              <div class="card-body">
                <div class="row">
                  <div class="col">
                    <h6 class="text-muted mb-1">班级人数</h6>
                    <span name="student_count" class="h3 font-weight-bold mb-0 ">80</span>
                  </div>
                  <div class="col-auto">
                    <i class="bi bi-people"></i>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <div class="col-xl-3 col-md-6">
            <div class="card card-stats">
              <div class="card-body">
                <div class="row">
                  <div class="col">
                    <h6 class="text-muted mb-1">平均年龄</h6>
                    <span name="age" class="h3 font-weight-bold mb-0 ">24.40</span>
                  </div>
                  <div class="col-auto">
                    <i class="bi bi-calendar2-week"></i>
                  </div>
                </div>
              </div>
            </div>
          </div>
          <div class="col-xl-3 col-md-6">
            <div class="card card-stats">
              <!-- Card body -->
              <div class="card-body">
                <div class="row">
                  <div class="col">
                    <h6 class="text-muted mb-1">小组个数</h6>
                    <span name="group_count" class="h3 font-weight-bold mb-0 ">8</span>
                  </div>
                  <div class="col-auto">
                    <i class="bi bi-collection"></i>
                  </div>
                </div>
              </div>
            </div>
          </div>
        </div>
        <div class="row">
          <div class="col col-xl-8">
            <div class="card" id="line" style="height: 400px;"></div>
          </div>
          <div class="col col-xl-4">
            <div class="card" id="salary" style="height: 400px;"></div>
          </div>
          <div class="col col-xl-12">
            <div class="card" style="height: 400px;">
              <div class="card-header">
                <div class="d-flex justify-content-between align-items-center">
                  <h6 class="mb-0">班级每组薪资</h6>
                  <div id="btns">
                    <button type="button" class="btn btn-xs btn-blue">1</button>
                    <button type="button" class="btn btn-xs ">2</button>
                    <button type="button" class="btn btn-xs ">3</button>
                    <button type="button" class="btn btn-xs ">4</button>
                    <button type="button" class="btn btn-xs ">5</button>
                    <button type="button" class="btn btn-xs ">6</button>
                    <button type="button" class="btn btn-xs ">7</button>
                    <button type="button" class="btn btn-xs ">8</button>
                  </div>
                </div>
              </div>
              <div class="card-body p-0" id="lines"></div>
            </div>
          </div>
          <div class="col col-xl-4">
            <div class="card" id="gender" style="height: 500px;"></div>
          </div>
          <div class="col col-xl-8">
            <div class="card" id="map" style="height: 500px;"></div>
          </div>
        </div>
        <!-- footer -->
        <div class="footer pt-5 pb-4 footer-light" id="footer-main">
          <div class="row text-center text-sm-left align-items-sm-center">
            <div class="col-sm-6">
              <p class="text-sm mb-0">© 2022 <a href="https://itcast.cn" class="h6 text-sm" target="_blank">前端学科</a>.
                All rights reserved.</p>
            </div>
            <div class="col-sm-6 mb-md-0">
              <ul class="nav justify-content-center justify-content-md-end">
                <li class="nav-item">
                  <a class="nav-link" href="#">Support</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link" href="#">Terms</a>
                </li>
                <li class="nav-item">
                  <a class="nav-link pr-0" href="#">Privacy</a>
                </li>
              </ul>
            </div>
          </div>
        </div>
      </div>
    </div>
  </div>
  <script src="./bootstrap/bootstrap.min.js"></script>
  <script src="./lib/axios.js"></script>
  <script src="./lib/echarts.min.js"></script>
  <script src="./js/common.js"></script>
  <script src="./lib/china.js"></script>\
  <script>
    //校验是否有token
    if (! localStorage.getItem('token') ) {
    location.href = './login.html'
}
//渲染用户名
let userNameSpan = document.querySelector('.navbar-nav .font-weight-bold')
userNameSpan.innerHTML = localStorage.getItem('username')
   //退出登录
   document.querySelector('#logout').addEventListener('click',e=>{
      localStorage.clear()
      location.href = './login.html'
   }) 
//在 index.html 中请求获取首页统计数据
let groupData
document.addEventListener('DOMContentLoaded', async () => {
const res = await axios({ 
  url: 'http://ajax-api.itheima.net/dashboard' 
})
console.log(res)
setOverview(res.data.overview)
satYearSalary(res.data.year)
setClassSalary(res.data.salaryData)
setGenderSalary(res.data.salaryData)
setMapSalary(res.data.provinceData)
//赋值给全局变量
groupData = res.data.groupData
setGroupSalary(groupData[1])

})
//  
function setOverview(data){
  Object.keys(data).forEach(k => document.querySelector(`[name=${k}]`).innerHTML = data[k])
}


function satYearSalary(data){
//初始化
const myChart =  echarts.init(document.querySelector('#line'))
//准备配置项
  const option = {
  title:{
    text:'2021全学科薪资走势',
    textStyle:{
      fontSize:'16px'
    },
    left:'10px',
    top:'15px'
  },
  // tooltip{
  //   trigger:'axis'
  // },
  grid:{
    top:'20%'
  },
  tooltip: { // 提示组件
    trigger: 'axis',
},
  xAxis: {
    type: 'category',
    data: data.map(item => item.month),
    axisLine:{
      show:true,
      color:'#ccc',
      lineStyle:{
        type:'dashed',
      }
    },
    axisLabel:{
      type:'dashed',
    }
  },
  yAxis: {
          type: 'value',
          splitLine: { // 分割线样式
            lineStyle: {
              type: 'dashed',
            }
          }
         },
  series: [
    {
      data:data.map(item => item.salary),
      type: 'line',
      smooth: true,
      symbolSize:10,
      lineStyle: { // 线条宽度和颜色
              width: 6,
              color: {
                type: 'linear',
                x: 0,
                y: 0,
                x2: 1,
                y2: 0,
                colorStops: [
                  {
                    offset: 0,
                    color: '#499FEE', // 0% 处的颜色
                  },
                  {
                    offset: 1,
                    color: '#5D75F0', // 100% 处的颜色
                  },
                ],
              }
            },
      areaStyle:{
        color:{
          type:'linear',
          x:0,
          y:0,
          x2:0,
          y2:1,
          colorStops:[{
            offset: 0, color: '#499FEE' // 0% 处的颜色
          }, {
            offset: 0.8, color: 'rgba(255, 255, 255, 0.2)' // 100% 处的颜色
          },{
            offset: 1, color: 'rgba(255, 255, 255, 0)' // 100% 处的颜色
          }],
          global: false
        },
        
      }
    }
  ]
};
    // 设置配置项
    myChart.setOption(option)
}


function setClassSalary(data){
  //初始化 echarts
  const myChart =  echarts.init(document.querySelector('#salary'))
  const option = {
  tooltip: {
    trigger: 'item'
  },
   title: {
          text: '班级薪资分布',
          top: 15,
          left: 10,
          textStyle: {
            fontSize: 16
          }
        },
        
  legend: {
    bottom: '6%',
    left: 'center'
  },
  color: ['#FDA224', '#5097FF', '#3ABCFA', '#34D39A'],
  series: [
    {
      name: 'Access From',
      type: 'pie',
      radius: ['50%', '64%'],
      center:['50%','45%'],
      avoidLabelOverlap: false,
      itemStyle: {
        borderRadius: 10,
        borderColor: '#fff',
        borderWidth: 2
      },
      label: {
        show: false,
        position: 'center'
      },
      
      data:data.map(item => ({name :item.label ,value:item.g_count +item.b_count}))
    }
  ]
};
//设置配置项
 myChart.setOption(option)
}

function setGroupSalary(data){
  //初始化 echarts
  const myChart =  echarts.init(document.querySelector('#lines'))
  const option = {
        grid: { // 折线图的网格配置
          top: 30, // 距离顶部有多远
          left: 70,
          right: 30,
          bottom: 50
        },
        color: [
            {
                type: 'linear',
                x: 0,
                y: 0,
                x2: 0,
                y2: 1,
                colorStops: [
                    {
                        offset: 0,
                        color: '#34D39A', // 0% 处的颜色
                    },
                    {
                        offset: 1,
                        color: 'rgba(52,211,154,0.2)', // 100% 处的颜色
                    },
                ],
            },
            {
                type: 'linear',
                x: 0,
                y: 0,
                x2: 0,
                y2: 1,
                colorStops: [
                    {
                        offset: 0,
                        color: '#499FEE', // 0% 处的颜色
                    },
                    {
                        offset: 1,
                        color: 'rgba(73,159,238,0.2)', // 100% 处的颜色
                    },
                ],
            },
        ],
        tooltip: {},
        xAxis: {
          type: 'category',
          data: data.map(item => item.name),
          axisLine: { // 轴线配置
            show: true, // 显示轴线
            color: '#ccc', // 轴线的颜色
            lineStyle:{
              type: 'dashed', // 轴线的类型, 虚线
            }
          },
          axisLabel: { // 坐标轴标题配置
            color: '#999' // 标题颜色
          }
        },
        yAxis: {
          type: 'value',
          
          splitLine: { // 分割线的设置
            // show: false,
            lineStyle: { // 线条样式
              // color: 'yellow'
              type: 'dashed' // 线条的类型 solid 是实线, dashed 是虚线
            }
          }
        },
        series: [
          {
            data: data.map(item => item.hope_salary),
            type: 'bar',
            name: '期望薪资'
          },
          {
            data: data.map(item => item.salary),
            type: 'bar',
            name: '就业薪资'
          }
        ]
      };

  myChart.setOption(option)
}
  document.querySelector('#btns').addEventListener('click',e => {
    //事件委托
    if(e.target.tagName === 'BUTTON'){
      document.querySelector('#btns .btn-blue').classList.remove('btn-blue')
      e.target.classList.add('btn-blue')
      //数据切换
      const k = e.target.innerHTML
      //传入数据
      setGroupSalary(groupData[k])
    }
  })


//男女薪资分布
function setGenderSalary(data){
  const myChart =  echarts.init(document.querySelector('#gender'))
  const option ={
        title: [
          {
            text: '男女薪资分布',
            left: 10,
            top: 10,
            textStyle: {
              fontSize: 16,
            },
          },
          {
            text: '男生',
            left: '50%',
            top: '45%',
            textAlign: 'center',
            textStyle: {
              fontSize: 12,
            },
          },
          {
            text: '女生',
            left: '50%',
            top: '85%',
            textAlign: 'center',
            textStyle: {
              fontSize: 12,
            },
          },
        ],
        tooltip: {
          trigger: 'item'
        },
        color: ['#FDA224', '#5097FF', '#3ABCFA', '#34D39A'],
        series: [
          {
            type: 'pie',
            radius: 50,
            radius: ['20%', '30%'],
            center: ['50%', '30%'],
            datasetIndex: 1,
            // data: [{name:'1万以下',value: 4},...]
            data: data.map((item) => ({ name: item.label, value: item.b_count })),
          },
          {
            type: 'pie',
            radius: 50,
            radius: ['20%', '30%'],
            center: ['50%', '70%'],
            datasetIndex: 2,
            // data: [{name:'1万以下',value: 4},...]
            data: data.map((item) => ({ name: item.label, value: item.g_count })),
          },
        ]
      }
  myChart.setOption(option)
}


//籍贯分布
function setMapSalary(data){
  const myChart =  echarts.init(document.querySelector('#map'))
  
  const dataList = [
        { name: '南海诸岛', value: 0 },
        { name: '北京', value: 0 },
        { name: '天津', value: 0 },
        { name: '上海', value: 0 },
        { name: '重庆', value: 0 },
        { name: '河北', value: 0 },
        { name: '河南', value: 0 },
        { name: '云南', value: 0 },
        { name: '辽宁', value: 0 },
        { name: '黑龙江', value: 0 },
        { name: '湖南', value: 0 },
        { name: '安徽', value: 0 },
        { name: '山东', value: 0 },
        { name: '新疆', value: 0 },
        { name: '江苏', value: 0 },
        { name: '浙江', value: 0 },
        { name: '江西', value: 0 },
        { name: '湖北', value: 0 },
        { name: '广西', value: 0 },
        { name: '甘肃', value: 0 },
        { name: '山西', value: 0 },
        { name: '内蒙古', value: 0 },
        { name: '陕西', value: 0 },
        { name: '吉林', value: 0 },
        { name: '福建', value: 0 },
        { name: '贵州', value: 0 },
        { name: '广东', value: 0 },
        { name: '青海', value: 0 },
        { name: '西藏', value: 0 },
        { name: '四川', value: 0 },
        { name: '宁夏', value: 0 },
        { name: '海南', value: 0 },
        { name: '台湾', value: 0 },
        { name: '香港', value: 0 },
        { name: '澳门', value: 0 },
      ]

      // 数据设置
      dataList.forEach((item) => {
        // 把每个城市对象遍历过来, 去数组data里循环数据的value, 然后设置到dataList的对象中, 应用到图表里
        // 数据里名字和上面的名字有点不太一样, 需要把多余的文字去掉(替换成空字符串)
        const obj = data.find((it) => it.name.replace(/省|回族自治区|吾尔自治区|壮族自治区|特别行政区|自治区/g, '') === item.name)
        if (obj) item.value = obj.value
      })
  const option ={
        title: {
          text: '籍贯分布',
          top: 10,
          left: 10,
          textStyle: {
            fontSize: 16,
          },
        },
        tooltip: {
          trigger: 'item',
          formatter: '{b}: {c} 位学员',
          borderColor: 'transparent',
          backgroundColor: 'rgba(0,0,0,0.5)',
          textStyle: {
            color: '#fff',
          },
        },
        visualMap: {
          min: 0,
          max: 6,
          left: 'left',
          bottom: '20',
          text: ['6', '0'],
          inRange: {
            color: ['#ffffff', '#0075F0'],
          },
          show: true,
          left: 40,
        },
        geo: { // 地理坐标系组件
          map: 'china',
          roam: false,
          zoom: 1.0,
          label: {
            normal: {
              show: true,
              fontSize: '10',
              color: 'rgba(0,0,0,0.7)',
            },
          },
          itemStyle: {
            normal: {
              borderColor: 'rgba(0, 0, 0, 0.2)',
              color: '#e0ffff',
            },
            emphasis: {
              areaColor: '#34D39A',
              shadowOffsetX: 0,
              shadowOffsetY: 0,
              shadowBlur: 20,
              borderWidth: 0,
              shadowColor: 'rgba(0, 0, 0, 0.5)',
            },
          },
        },
        series: [
          {
            name: '籍贯分布',
            type: 'map',
            geoIndex: 0,
            data: dataList,
          },
        ],
      }

  myChart.setOption(option)
}

  </script>
</body>

</html>